Percentage of participants in which an increase in CBC variables and IDO activity between 0 and 6 (upper panel) or 12 (lower panel) weeks. CBC, complete blood count; IDO, indoleamine 2,3-dioxygenase; MCH, mean corpuscular hemoglobin; MCHC, mean corpuscular hemoglobin concentration; MCV, mean corpuscular volume; WBC, white blood cell.